octo | 028c30fa4780640b6321a73951732d1d373333dada278ca2f1c09b7ce1142bb6

Analysis

max time kernel
149s
max time network
131s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
09-01-2025 17:22

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General

Target

028c30fa4780640b6321a73951732d1d373333dada278ca2f1c09b7ce1142bb6.apk
Size

9.5MB
MD5

41ea6683aa816baf957d3202fa9c5054
SHA1

17468a8f15bfa52a0514f194dc357212fe2e4288
SHA256

028c30fa4780640b6321a73951732d1d373333dada278ca2f1c09b7ce1142bb6
SHA512

0a6ae47bbb5d62a6a72c13becabc94ea0da2874ce0caa05ea5a8d3a0ba7406cb352ce53dc2f014775e95b34d285c26bbb37f7aea46b784e6a2442e640328bb6f
SSDEEP

98304:x+IYdaOkddteFHjJ3pOHKe322Y+hhbVKvMMQ3XJRsMVJBkMJ9h+Fu5iSRGvZlqj:AMYHjJ3Z2Y+PU0L3XJRDIwrP

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://c741e321a625f9195ee4b22f53b8f386.info

https://3e78d460183b1821b74529fb2cba4fe8.shop

https://f3ad8ca1cecfb4942d9b6cec53bbfe94.org

https://63fbf2f62b78cc08552fcd87838b8e53.biz

https://3b9f0a8e52740e8aeb04df710e392f5b.net

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo
Octo family
octo

Octo payload 1 IoCs

resource	yara_rule
behavioral1/memory/4263-1.dex	family_octo

Checks Android system properties for emulator presence. 1 TTPs 1 IoCs

evasion

System Checks

T1633.001

description	ioc	Process
Accessed system property	key: ro.product.model	com.yjorg23restheme

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.yjorg23restheme/app_team/mg.json	4290	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.yjorg23restheme/app_team/mg.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.yjorg23restheme/app_team/oat/x86/mg.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.yjorg23restheme/app_team/mg.json	4263	com.yjorg23restheme
Anonymous-DexFile@0xd56be000-0xd5741728	4263	com.yjorg23restheme

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.yjorg23restheme
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.yjorg23restheme

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.yjorg23restheme

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.yjorg23restheme

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.yjorg23restheme

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.yjorg23restheme

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.yjorg23restheme

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.yjorg23restheme

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.yjorg23restheme

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.yjorg23restheme

com.yjorg23restheme
1⤵
- Checks Android system properties for emulator presence.
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries the mobile country code (MCC)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4263
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.yjorg23restheme/app_team/mg.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.yjorg23restheme/app_team/oat/x86/mg.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4290

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

User Evasion

T1628.002

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

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Downloads

/data/data/com.yjorg23restheme/.global.com.yjorg23restheme

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.yjorg23restheme/app_team/mg.json

Filesize
1012B

MD5
eca498645b5bd16383bd428c766925b4

SHA1
d961d42d2100cac7ee67bec77cf446611dae723f

SHA256
23ed1dce46e866fadbdaa2e3af826fe7a3726d62e7c777cd274dcf3c5eed9ae4

SHA512
c4769e8c4f6eed0af503cb74b4104bef714a669a6f5e7f1454ed03474d46e2f90f82d04e4ecc3f87e43434eda5e95ce627fb8dc65f91e819e5d88bb7a0826c12

Download Submit
/data/data/com.yjorg23restheme/app_team/mg.json

Filesize
1012B

MD5
56d6513b22ec6c4c9ba5ee855c1e6579

SHA1
6b2c0d2e9b3478887143a0c6a9b70996f47ca985

SHA256
85a749450e9623700ec834c65a7f0c7b8a097fe74d8db0364602e13808d4d7f1

SHA512
0904be674cde0bff3bd56bbe417825fca1bb34b39662b73a0ac3c5bb1ececce29c1a01fcf262c35e99a2e186d143addc4b9e9bc8458d75ca0f38823feffe877a

Download Submit
/data/data/com.yjorg23restheme/files/.a

Filesize
307KB

MD5
4e73947cabb5db3f92ca85004981b754

SHA1
6d9667fdb0280ed2dcb782b4683e422a51bdc601

SHA256
6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

SHA512
be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Download Submit
/data/user/0/com.yjorg23restheme/app_team/mg.json

Filesize
1KB

MD5
e595a0bdca392fe513c99262f52bca6d

SHA1
d0d18e539a8146d4901639d0e904961ab42cc5f8

SHA256
3fd76f1b6cac0d8711f84d5a409ab910ef5e2b2992c86d672080686d3acca7a8

SHA512
5d1772a572d9b5d1834da0325c99b4fdc862a2cee5e48a5e0bab2786bef5a7862cb2880e424526f934f0d1c3052b9dd7bc6801ba78e2b60286178aa515d840ed

Download Submit
/data/user/0/com.yjorg23restheme/app_team/mg.json

Filesize
1KB

MD5
089255f815eb0905b6d907afc565cfbe

SHA1
e45b27316d7f31fabfd50e4f4f344da3e8a3b972

SHA256
b7aae8943606b2fc76e6ba9e3770d1050300cb40d97fe9c5a240872ec6e8dd7c

SHA512
2a6ffe80eeb5609ed8f502a0a7eb0ae73df1c9e9cba2f13f3e97b7b83496467aa5deaca943193c923d3a7962412c7eb876c739dd887a3871780d53c82a5664c4

Download Submit
Anonymous-DexFile@0xd56be000-0xd5741728

Filesize
525KB

MD5
8e2b97167fbf1e4345812fa752e62a58

SHA1
cc00ab2c4d1ae911ec0dcbcb2f59f3b3c0c9432c

SHA256
b173c2dd59255787c98255faaa5d70668203a97d182fad1ec01ccbc3f44c551b

SHA512
7c567d0085a63067ff3e3a69a1f3cf0877cc7758016f429b31c9cadd3c139809f5a6d2c4b9c339f188e3500f35d1a3d1b9480dce6a9894558ca1cb5345d25fd8

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads